.headerNav {
    padding: 0;
    margin: 0;
    height: 48;
    background: #001529;
    color: #fff;
    position: fixed;
    top:0;
    left:0;
    width: 100%;
    list-style: none;
    border-bottom: 1px solid #082559;
}
.headerNav .logo {
    padding-left: 10px;
    display: flex;
    width: 250px;
    height: 48px;
    align-items: center;
    float: left;

}
.logo img {
    margin-right: 20px;
}
.logo span {
    font-size: 20px
}
.headerNav .user {
    display: flex;
    align-items: center;
    height: 48px;
    line-height: 48px;
    padding:0 10px;
    float: right;
    margin-right:20px;
    cursor: pointer;
}
.headerNav .user:hover {
    background-color: rgba(0,0,255,0.25);
}
.headerNav .user div {
    margin-right: 5px;
}